<template>
  <div>
    <h1>{{ id ? '编辑' : '新建' }}物品</h1>
    <el-form label-width="100px">
      <el-form-item label="名称">
        <el-input v-model="model.name"></el-input>
      </el-form-item>
      <el-form-item label="图片">
        <el-upload class="avatar-uploader" :action="uploadUrl" :headers="getAuthHeaders()" :show-file-list="false" :on-success="afterUpload">
          <img v-if="model.icon" :src="model.icon" class="avatar" />
          <i v-else class="el-icon-plus avatar-uploader-icon"></i>
        </el-upload>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" native-type="submit" @click="save">保存</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  props: {
    id: {},
  },
  data() {
    return {
      model: {},
    };
  },

  created() {
    this.id && this.fetch();
  },

  methods: {
    async save() {
      if (!this.model.name) {
        this.$message({
          showClose: true,
          message: '请填写分类',
        });
        return;
      }
      let res;
      let message = '';
      // 根据id的有无 判断是新增还是修改
      if (this.id) {
        res = await this.axios.put(`rest/items/${this.id}`, this.model);
        message = '修改成功';
      } else {
        res = await this.axios.post('rest/items', this.model);
        message = '添加 成功';
      }

      this.$message({
        showClose: true,
        message: message,
        type: 'success',
      });

      setTimeout(() => {
        this.$router.push('/items/list');
      }, 500);
    },

    async fetch() {
      const res = await this.axios.get(`rest/items/${this.id}`);
      this.model = res.data;
    },

    // 图片上传服务器成功
    afterUpload(res) {
      this.$set(this.model, 'icon', res.url);
    },
  },
};
</script>
<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>
<style scoped></style>;
